Home / 28,969,963.11-43,448,203.18-10,782,723.49

Finding the Fourth Proportional to 28,969,963.11, 43,448,203.18 and 10,782,723.49

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Solution

The fourth proportional to 28,969,963.11, 43,448,203.18 and 10,782,723.49 is: 16,171,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,963.11 : 43,448,203.18 = 10,782,723.49 : x
  2. Step 2: Convert to fraction form
    28,969,963.11/43,448,203.18 = 10,782,723.49/x
  3. Step 3: Cross multiply
    28,969,963.11x = 43,448,203.18 × 10,782,723.49
  4. Step 4: Simplify right side
    28,969,963.11x = 468,489,961,008,406.88
  5. Step 5: Solve for x
    x = 468,489,961,008,406.88/28,969,963.11
  6. Step 6: Final answer
    x = 16,171,576.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.